Home / 187,763.66-259,124.22-107,217.06

Finding the Fourth Proportional to 187,763.66, 259,124.22 and 107,217.06

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Solution

The fourth proportional to 187,763.66, 259,124.22 and 107,217.06 is: 147,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,763.66 : 259,124.22 = 107,217.06 : x
  2. Step 2: Convert to fraction form
    187,763.66/259,124.22 = 107,217.06/x
  3. Step 3: Cross multiply
    187,763.66x = 259,124.22 × 107,217.06
  4. Step 4: Simplify right side
    187,763.66x = 27,782,537,043.19
  5. Step 5: Solve for x
    x = 27,782,537,043.19/187,763.66
  6. Step 6: Final answer
    x = 147,965.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.